US Bridges

Wa Cnty RD R34 over Spillway Hanover Canal

PoorPosted for load

Washakie County, Wyoming · 10 Miles N.E. of Worland · Structure no. KQL

Built
1929
96 years old
Condition
Poor
inspected February 2025
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
25 ft
1 main span
Daily traffic
119
2024 count
Owner
County
County Highway Agency

About this bridge

Wa Cnty RD R34 over Spillway Hanover Canal is a wood or timber stringer/multi-beam or girder carrying Wa Cnty RD R34 over Spillway Hanover Canal in Washakie County, Wyoming. It was built in 1929, so it is 96 years old, older than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 119 vehicles a day, roughly 13% of them trucks, projected to reach 167 by 2043. The structure is 25 ft (7.6 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWa Cnty RD R34
CrossesSpillway Hanover Canal
Location10 Miles N.E. of Worland
RouteCounty Highway 34
StateWyoming
Coordinates44.1679, -107.89863
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating14.4 US tons
Inventory rating9.4 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic119 (2024)
Projected traffic167 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$122,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Wa Cnty RD R34 over Spillway Hanover Canal built?

It was built in 1929, making it 96 years old in 2025.

What condition is Wa Cnty RD R34 over Spillway Hanover Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does Wa Cnty RD R34 over Spillway Hanover Canal carry?

About 119 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Wa Cnty RD R34 over Spillway Hanover Canal?

The structure is 25 ft (7.6 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns Wa Cnty RD R34 over Spillway Hanover Canal?

It is owned by the County Highway Agency.